# FormSync vs Tennisforce

The clearest difference is in-app purchases: Tennisforce at none against FormSync's 1. FormSync's advantage is update cadence (weekly vs monthly) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. FormSync sells 1 one-off in-app purchase. Tennisforce asks for nothing beyond the download.

FormSync ships an update weekly, Tennisforce monthly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FormSync | Tennisforce |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 36 MB | 110 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Sugiyama](https://appshunter.io/developer/6778858327) | [Ting-Hui Wu](https://appshunter.io/developer/1481074239) |

## What reviewers say

### FormSync

[App page](https://appshunter.io/ios/app/formsync-swing-and-form-compare/id6779924474)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Upgrade | $4.99 | one-time |


### Tennisforce

[App page](https://appshunter.io/ios/app/tennisforce/id6792345891)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FormSync free?

FormSync is free to download, with in-app purchases available.

### Is Tennisforce free?

Tennisforce is free to download, with no in-app purchases.

### Do FormSync or Tennisforce have ads?

Neither FormSync nor Tennisforce shows ads.

### Which is updated more often, FormSync or Tennisforce?

FormSync ships an update weekly, and Tennisforce monthly. Most recently, FormSync was updated on October 15, 2026 and Tennisforce on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*